IndividualActive
Louis Simchowitz, M.D.
NPI 1982030342 · Rheumatology Physician · Rockville, MD
Louis Simchowitz, M.D. is a Rheumatology Physician provider in Rockville, MD (NPI 1982030342).
Provider details
- NPI number
- 1982030342
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0076665 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1201 Seven Locks Rd
Suite 111
Rockville, MD 20854-2931
Phone: (301) 762-5020
Fax: (301) 294-7569
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 79632
Baltimore, MD 21279-0632
Registry dates
- Enumerated
- 2013-09-17
- Last updated
- 2015-02-04
Frequently asked questions
- What is Louis Simchowitz's NPI number?
- Louis Simchowitz's National Provider Identifier (NPI) is 1982030342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Simchowitz's specialty?
- Louis Simchowitz is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Simchowitz located?
- Louis Simchowitz's practice location on file with NPPES is 1201 Seven Locks Rd, Rockville, MD 20854-2931.
- What is Louis Simchowitz's phone number?
- The practice phone number listed in the NPPES registry for Louis Simchowitz is (301) 762-5020.
- Is Louis Simchowitz's NPI active?
- Yes — Louis Simchowitz's NPI (1982030342) is active in the NPPES registry as of the last update on 2015-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.